Finding the Fourth Proportional to 1,123.47, 1,683.57 and 634.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.47 : 1,683.57 = 634.02 : x
2. Step 2: Convert to fraction form
   1,123.47/1,683.57 = 634.02/x
3. Step 3: Cross multiply
   1,123.47x = 1,683.57 × 634.02
4. Step 4: Simplify right side
   1,123.47x = 1,067,417.05
5. Step 5: Solve for x
   x = 1,067,417.05/1,123.47
6. Step 6: Final answer
   x = 950.11